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Discussion Starter · #1 ·
2003 bmw 325i (130k miles about)
My front left headlight will not turn on (used to turn on and off several months ago but around that same time it just turned off and doesn't work).
The bulb works and the bright's work (although those are the two middle lights, different bulb). I have halos wired to the same headlight, so when I turn on my lights the halos come on, just not the actual light.
Ballast?
Bad Wiring?

Thank you
 

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Led bulbs have a specific polarity. You tried flipping the plug so that it reverses the polarity?

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I swapped them. Bulb works still
If the previously working bulb from the passenger stopped working when put into the driver side then it's time to start inspecting individual components. Do you see any damage to the wiring? Are these aftermarket housings altogether, or just LED bulbs in factory housings?
 
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